Nkọwa nkenke:

Ihe: ụlọ na imported zirconium corundum emery ákwà

Nọmba ọnụ ọgụgụ: 36-400 #

Nkọwa: 3-120mm n'obosara, 305-820mm ogologo

Ngwa: A na-eji ya maka egweri siri ike nke ibu ma ọ bụ ibu dị arọ, nke kwesịrị ekwesị maka egweri nke isiike, alloy steel, iron cast and non-ferrous metal.